Sky Arena Observatory

The 94th-floor toilets at Shanghai's Kohn, Pedersen, and Fox-designed landmark, known as the "bottle opener," take the title of the world's highest-altitude restrooms, at a vertigo-inducing 1,388 feet. Gain access via the observatory entrance (admission from $14), where the elevator will shoot you skyward to the first of three viewing platforms.

Sky Arena Observatory

The 94th-floor toilets at Shanghai's Kohn, Pedersen, and Fox-designed landmark, known as the "bottle opener," take the title of the world's highest-altitude restrooms, at a vertigo-inducing 1,388 feet. Gain access via the observatory entrance (admission from $14), where the elevator will shoot you skyward to the first of three viewing platforms.